\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Issue-by-issue: positive appeals (Study I)}
\begin{tabular}{l*{8}{c}}
\hline\hline
                &\multicolumn{1}{c}{Artists}&\multicolumn{1}{c}{Disabled people}&\multicolumn{1}{c}{Families}&\multicolumn{1}{c}{Homosexuals}&\multicolumn{1}{c}{Senior citizens}&\multicolumn{1}{c}{Police officers}&\multicolumn{1}{c}{Rural residents}&\multicolumn{1}{c}{Women}\\
\hline
Group appeal    &     0.54\sym{***}&     0.75\sym{***}&     1.17\sym{***}&   -0.044         &     0.38\sym{***}&     0.95\sym{***}&    -1.23\sym{***}&     0.28\sym{**} \\
                &   (0.11)         &   (0.10)         &   (0.11)         &   (0.13)         &   (0.10)         &   (0.11)         &   (0.10)         &   (0.11)         \\
Group-policy appeal&     0.35\sym{**} &     0.54\sym{***}&     0.36\sym{**} &   -0.054         &     0.20         &     0.38\sym{***}&   -0.097         &     0.23\sym{*}  \\
                &   (0.11)         &   (0.10)         &   (0.11)         &   (0.13)         &   (0.10)         &   (0.11)         &   (0.10)         &   (0.11)         \\
\_cons          &     5.84\sym{***}&     7.25\sym{***}&     6.83\sym{***}&     6.83\sym{***}&     7.86\sym{***}&     6.93\sym{***}&     7.94\sym{***}&     7.75\sym{***}\\
                &   (0.08)         &   (0.07)         &   (0.08)         &   (0.09)         &   (0.07)         &   (0.08)         &   (0.07)         &   (0.08)         \\
\hline
Observations    &     3150         &     3150         &     3150         &     3150         &     3150         &     3150         &     3150         &     3150         \\
R\textsuperscript{2}&   0.0081         &    0.019         &    0.037         & 0.000060         &   0.0043         &    0.024         &    0.056         &   0.0025         \\
\hline\hline
\multicolumn{9}{l}{\footnotesize Note: Standard errors in parentheses.}\\
\multicolumn{9}{l}{\footnotesize \sym{*} \(p<0.5\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{tabular}
\end{table}
